ScienceTriangular UFO Purported To Be ‘Alien Megastructure’ Spotted Appearing, Vanishing Over Melbourne Sky [Video] An Australian UFO hunter spots what seems to be a triangular UFO in the sky over Melbourne on Nov. 13, 2015. Could it be an 'alien megastructure'?by Vincent Lanaria
Bill Gates Says AI Will Take Over Medicine, Education in 10 Years: 'It's Very Profound and a Bit Scary'
